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yhdev/dat/ncdu.md

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% NCurses Disk Usage

Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote server where you don't have an entire graphical setup available, but it is a useful tool even on regular desktop systems. Ncdu aims to be fast, simple and easy to use, and should be able to run in any minimal POSIX-like environment with ncurses installed.

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Static binaries
Convenient static binaries for Linux. Download, extract and run; no compilation or installation necessary: x86 - x86_64 - ARM - AArch64.
Zig version (stable)
2.4 (2024-04-21 - ncdu-2.4.tar.gz - changes)

Requires Zig 0.12 or 0.13.

The Zig language and compiler are still somewhat unstable, use the ncdu 1.x branch if this does not work for you or if you need a more stable compilation environment.

C version (LTS)
1.20 (2024-04-21 - ncdu-1.20.tar.gz - changes)

Lags a bit behind on the 2.x version in terms of features and performance, but is still being maintained and perfectly usable.

Development version
The most recent code is available on git: 
git clone git://g.blicky.net/ncdu.git/

The repository is also available for online browsing on Forgejo and cgit. The 'master' branch represents the C version, the Zig version can be found in the 'zig' branch.

License
MIT.

Packages and ports

Ncdu has been packaged for quite a few systems, here's a list of the ones I am aware of:

AIX - Alpine Linux (2) - ALT Linux - Arch Linux - CRUX - Cygwin - Debian - Fedora - FreeBSD - Frugalware - Gentoo (-bin) - GNU Guix - NixOS - OpenBSD - openSUSE. OpenWRT - MacOS (Fink - Homebrew - MacPorts) - Solaris - Slackware - Ubuntu - Void Linux.

Packages for NetBSD, DragonFlyBSD, MirBSD and others can be found on pkgsrc.

Similar projects

There's no shortage of alternatives to ncdu nowadays. In no particular order:

  • Duc - Multiple user interfaces, C, scales beyond directories that fit in RAM.
  • gt5 - TUI/HTML, also supports diffing.
  • gdu - TUI/CLI, Go, supports ncdu JSON export and import.
  • dua - CLI, Rust.
  • pdu - CLI, Rust.
  • diskonaut - TUI, Rust, treemap.
  • dut, CLI, C.
  • godu - TUI, Go, slightly different browser UI.
  • tdu - CLI, Go, supports ncdu JSON export.
  • TreeSize - GTK, using a treeview.
  • Baobab - GTK, using pie-charts, a treeview and a treemap. Comes with GNOME.
  • GdMap - GTK, treemap.
  • Filelight - KDE, using pie-charts.
  • QDirStat - Qt, treemap.
  • K4DirStat - Qt, treemap.
  • xdiskusage - FLTK, with a treemap display.
  • fsv - 3D visualization.